Bad connection between robot and computer?

[Mark McLeod]

In addition to checking the wireless environment...

When it happens again watch the status lights on the front of the DLink to see if one turns red or a blue one goes out, then comes back later.

Watch the Status light on the roboRIO to see if it turns yellow for a brief moment right away.

Check the Driver Station log for a gap in the reporting of data corresponding to the communications outage. The duration of the gap will tell how long the communications outage took, and that will help in identifying which component might be failing.